1324721484 has 18 divisors (see below), whose sum is σ = 3348601620. Its totient is φ = 441573816.

The previous prime is 1324721473. The next prime is 1324721491. The reversal of 1324721484 is 4841274231.

1324721484 is a `hidden beast` number, since 132 + 47 + 2 + 1 + 484 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 36797819 = 1324721484 / (1 + 3 + 2 + 4 + 7 + 2 + 1 + 4 + 8 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18398874 + ... + 18398945.

Almost surely, 2^1324721484 is an apocalyptic number.

It is an amenable number.

1324721484 is an abundant number, since it is smaller than the sum of its proper divisors (2023880136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1324721484 is a wasteful number, since it uses less digits than its factorization.

1324721484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36797829 (or 36797824 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 1324721484 is about 36396.7235338567. The cubic root of 1324721484 is about 1098.2676544985.

It can be divided in two parts, 132472 and 1484, that added together give a square (133956 = 366²).

The spelling of 1324721484 in words is "one billion, three hundred twenty-four million, seven hundred twenty-one thousand, four hundred eighty-four".